The invention provides an undercarriage manual unlocking stroke measurement device; the device has no need of change of an airplane structure and can accurately measure the unlocking stroke. The device includes an undercarriage emergency unlocking box mounted on an airplane cockpit bottom board, a box body covering the emergency unlocking box, a pull rod, a hook, a handle, a reflection board, a laser distance measurement sensor, a tension-compression sensor, and a control displayer. The device is light, handy and practical, is simple to operate, and has universal applicability in measurement of manual unlocking stroke of various models of airplane main undercarriages.
Undercarriage manual unlocking stroke measurement device
2015-12-09
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |
European Patent Office | 2015
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